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143
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SAC
2008
ACM
15 years 2 months ago
2008
ACM
A major obstacle that decreases the performance of text classifiers is the extremely high dimensionality of text data. To reduce the dimension, a number of approaches based on rou...
125
Voted
ICIP
2003
IEEE
16 years 4 months ago
2003
IEEE
With the rapid technological advances in machine learning and data mining, it is now possible to train computers with hundreds of semantic concepts for the purpose of annotating i...
129
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WWW
2009
ACM
16 years 3 months ago
2009
ACM
In Web-based services of dynamic content (such as news articles), recommender systems face the difficulty of timely identifying new items of high-quality and providing recommendat...
121
Voted
CHI
2008
ACM
16 years 2 months ago
2008
ACM
Recent advances in small inexpensive sensors, low-power processing, and activity modeling have enabled applications that use on-body sensing and machine learning to infer people&#...
101
Voted
WSDM
2010
ACM
15 years 12 months ago
2010
ACM
In web search, recency ranking refers to ranking documents by relevance which takes freshness into account. In this paper, we propose a retrieval system which automatically detect...